Rio Tinto invests in electric underground mine at Kennecott
Rio Tinto is investing in its Kennecott operation near Salt Lake City, Utah, to strengthen its supply of copper in the US by increasing production from underground mining and improving the health of key assets. $498 million of funding has been approved to deliver underground development and infrastructure for an area known as the North Rim Skarn (NRS). Production from the NRS will commence in 2024 and is expected to ramp up over two years, to deliver around 250,000 t of additional mined copper over the next 10 years alongside…
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